ProSoft Technology MVI56-DFCM - Manual (Page 98)

Reference MVI56-DFCM ♦ ControlLogix Platform
User Manual DF1 Half/Full Duplex Master/Slave Serial Communication Module
Page 98 of 106 ProSoft Technology, Inc.
September 24, 2014
5.5.2 RS-232 Application Port(s)
When the RS-232 interface is selected, the use of hardware handshaking
(control and monitoring of modem signal lines) is user definable. If no hardware
handshaking will be used, here are the cable pinouts to connect to the port.
RS-232: Modem Connection (Hardware Handshaking Required)
This type of connection is required between the module and a modem or other
communication device.
The Use CTS Line parameter for the port configuration should be set to Y for
most modem applications.